A car traveling at 15.0 m/s starts to slow down steadily. It comes to a complete stop in 10.0 seconds. What is it's acceleration?

Oxygen and hydrogen gas are at the same temperature t. what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?

The law of reflection states that the angle of reflection is equal to the angle of